The B’Twin junior road bike with 650 wheels, aluminium frame, 7 Shimano speeds and a double braking system to enable the rider to easily adapt their position using the road handlebars.
children from 8 years (135 to 155cm) learning to use a road bike.
Frame
6061 T6 aluminium sloping frame with semi-integrated headset.
Fork
Straight fork in hi-ten steel for added comfort and precision.
Aheadset 1″1/8 head tube that provides great strength and rigidity to the steering assembly.
Handlebar / stem / steering
Aluminium B’Twin Sport handlebar – Handlebar width (axle-axle):
380 mm
B’TWIN Sport aluminium stem. 60 mm
Drivetrain
Indexed speed changes using 7-speed Shimano A050 shifter on the handlebar. Ergonomic and very comfortable: change speeds without letting go of the top part of the handlebar. This ergonomically-shaped lever fits the palm of your hand perfectly.
Shimano Tourney 7-speed rear derailleur (322 g).
Crankset / cassette
Single chainring is easier to use and reduces weight significantly: 40 teeth.Cranks: 152 mm.Cassette: SHIMANO 14 X 28.
Brakes
Double braking system:
1 – Tektro RL 340 brake levers which provide good grip and excellent rigidity
2 – Tektro RL 720 levers on the handlebar making them easy to reach for children
Wheels
B’TWIN SPORT 650 double-walled wheels.
Quick-release mount (9 mm) at the front for ease of movement and transport, nuts binding for the rear wheel.
Tyres
New B’TWIN resist 5 tyres: 650 x 25.
B’TWIN inner tube.
Saddle / Seat post
New B’Twin Sport 100 Junior Black saddle.
B’Twin Sport aluminium seat post.
Diameter: 27.2 mm for added comfort thanks to its flexibility Length: 250 mm.
Pedals
VP570 platform pedals
Accessories
Comes with a front and rear-lighting kit and bell.
Weight
10.2 kg without pedals
Composition
Frame : 100.0% Aluminium 6061
Ease of use : Ultra soft Shimano speed shifters, easy to access from the handlebars.
Brake control : Double braking control for time to adapt to the position.
Lightweight : 10.2 kg
Efficiency : Aluminium frame, 650c wheels and tyres with 25 cross-section, 7-speed Shimano
Cycling comfort : Ergonomic children’s sport saddle, road handlebars adapted for children.





































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